noun 下载 🔗分享 多瓣贝,多瓣贝类。 A multivalve mollusc. Examples : "The marine biologist carefully examined the fossil, confirming it was a very old multivalve, possibly related to modern chitons. " 这位海洋生物学家仔细检查了化石,确认它是一种非常古老的多瓣贝类,可能与现代石鳖有关。 animal organism biology 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 多瓣的,多阀的。 Having or involving multiple valves (in any context); thus: Examples : "The multivalve engine in the old car made a distinctive rattling sound. " 这辆老车上的多气门发动机发出一种特别的咔嗒声。 technical machine part science 与AI对话词汇游戏阅读练习